Locality: United States, Colorado, Jefferson, Tin Cup Ridge. In grasses and shrubs high on the east side of Tin Cup Ridge, a northward extension of Dakota Ridge into Golden, 4.9 km south southeast of the GNIS location of Golden.
39.71329328 -105.2051043 WGS 1984,
Elevation: 1928 meters Verbatim Elevation:
East across US Highway 40 from the Peabody Museum dig at Magic Mountain, which was extensively collected by E. H. Brunquist (1959).; Perennial herb to 50 cm.; Inflorescence, solitary heads on 40 cm. scape; Phyllaries in 2 series, outer lance-linear, 18mm. x 4mm. wide, veins, 5, prominent, tomentose abaxially, adaxially distally, inner obovate, 11mm. x 4 mm. wide distal abaxial tomentose and ciliate; Receptacle paleate, Paleae 11 mm x 3 mm. wide, ciliate, and distal abaxial tomentose, palea covers abaxial side of achene, and is barely folded around one edge, but does not fully enclose achene; Pappus 0; Ray flower, fertile, stamens present but degenerate (?) and not functional (?), corolla, tube 2 mm. + blade 27 mm. x 12 mm. wide, yellow; Disc flowers, bisexual, corolla, 6 mm., yellow; Achene, 9 mm., compressed radially.